RU2008120015A - NOT CONTAMINATED MATERIAL AND METHOD FOR PRODUCING IT - Google Patents

NOT CONTAMINATED MATERIAL AND METHOD FOR PRODUCING IT Download PDF

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RU2008120015A
RU2008120015A RU2008120015/03A RU2008120015A RU2008120015A RU 2008120015 A RU2008120015 A RU 2008120015A RU 2008120015/03 A RU2008120015/03 A RU 2008120015/03A RU 2008120015 A RU2008120015 A RU 2008120015A RU 2008120015 A RU2008120015 A RU 2008120015A
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titanium oxide
layer
use according
thin hydrophilic
hydrophilic layer
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RU2008120015/03A
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RU2430897C2 (en
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Бернар НГЬЕМ (FR)
Бернар Нгьем
Жорж ЗАГДУН (FR)
Жорж Загдун
Элин ЗОНДЕРГАРД (FR)
Элин Зондергард
Ронан ГАРРЕК (FR)
Ронан Гаррек
Эдди РОЙЕР (FR)
Эдди Ройер
Андрий ХАРЧЕНКО (FR)
Андрий Харченко
Анн ЛЕЛАРЖ (FR)
Анн Леларж
Этьен БАРТЕЛЬ (FR)
Этьен Бартель
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Сэн-Гобэн Гласс Франс (Fr)
Сэн-Гобэн Гласс Франс
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Priority claimed from FR0553203A external-priority patent/FR2892408B1/en
Priority claimed from FR0652877A external-priority patent/FR2903399B1/en
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Publication of RU2008120015A publication Critical patent/RU2008120015A/en
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
    • C03C17/007—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character containing a dispersed phase, e.g. particles, fibres or flakes, in a continuous phase
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • C03C17/23—Oxides
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
    • C03C17/3417—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials all coatings being oxide coatings
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/23—Mixtures
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/40—Coatings comprising at least one inhomogeneous layer
    • C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
    • C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
    • C03C2217/47—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase consisting of a specific material
    • C03C2217/475—Inorganic materials
    • C03C2217/477—Titanium oxide
    • C—CHEMISTRY; METALLURGY
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    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/70—Properties of coatings
    • C03C2217/71—Photocatalytic coatings
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/70—Properties of coatings
    • C03C2217/75—Hydrophilic and oleophilic coatings
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/90—Other aspects of coatings
    • C03C2217/91—Coatings containing at least one layer having a composition gradient through its thickness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24562—Interlaminar spaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
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    • Y10T428/24992—Density or compression of components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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  • Chemical & Material Sciences (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
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Abstract

1. Применение материала, состоящего из основы, имеющей покрытие на основе оксида титана, на которое нанесен тонкий гидрофильный слой, формирующий, по меньшей мере, часть наружной поверхности указанного материала и не содержащий оксид титана, в качестве материала, препятствующего оседанию неорганических загрязнителей на упомянутую наружную поверхность в отсутствие потока воды. ! 2. Применение по п.1, в котором тонкий гидрофильный слой имеет толщину меньше 10 нм, предпочтительно, между 1 и 2 нм. ! 3. Применение по п.1 или 2, в котором тонкий гидрофильный слой способен создать, в присутствии влаги окружающей среды и благодаря наличию подслоя из оксида титана, гидратационный слой, менее плотный, чем вода в жидком состоянии. ! 4. Применение по любому из пп.1 и 2 в котором тонкий гидрофильный слой образован на основе кремния и кислорода. ! 5. Применение по п.4, в котором тонкий гидрофильный слой состоит из оксида кремния (SiO2), возможно легированного такими атомами, как алюминий (Аl) или цирконий (Zr). ! 6. Применение по любому из пп.1 и 2, в котором покрытие на основе оксида титана состоит исключительно из оксида титана, аморфного или со структурой, по меньшей мере, частично кристаллической, в частности, в фазе анатаза или рутила. ! 7. Применение по любому из пп.1 и 2, в котором покрытие на основе оксида титана содержит различимые частицы оксида титана, по меньшей мере, частично кристаллические и диспергированные в связующем. ! 8. Применение по п.7, в котором тонкий гидрофильный слой составляет неотъемлемую часть покрытия на основе оксида титана и образует крайнюю поверхность. ! 9. Применение по любому из пп.1 и 2, в котором покрытие на основе оксида ти1. The use of a material consisting of a base having a coating based on titanium oxide, on which a thin hydrophilic layer is applied, which forms at least a part of the outer surface of the specified material and does not contain titanium oxide, as a material that prevents the deposition of inorganic contaminants on the said outer surface in the absence of water flow. ! 2. Use according to claim 1, wherein the thin hydrophilic layer has a thickness of less than 10 nm, preferably between 1 and 2 nm. ! 3. Use according to claim 1 or 2, in which the thin hydrophilic layer is capable of creating, in the presence of ambient moisture and due to the presence of the titanium oxide sublayer, a hydration layer less dense than liquid water. ! 4. Use according to any one of claims 1 and 2, wherein the thin hydrophilic layer is based on silicon and oxygen. ! 5. Use according to claim 4, wherein the thin hydrophilic layer consists of silicon oxide (SiO2) optionally doped with atoms such as aluminum (Al) or zirconium (Zr). ! 6. Use according to any one of claims 1 and 2, in which the titanium oxide coating consists exclusively of titanium oxide, amorphous or with a structure at least partially crystalline, in particular in the anatase or rutile phase. ! 7. Use according to any one of claims 1 and 2, wherein the titanium oxide coating comprises distinct particles of titanium oxide, at least partially crystalline and dispersed in a binder. ! 8. Use according to claim 7, wherein the thin hydrophilic layer forms an integral part of the titanium oxide coating and forms an edge surface. ! 9. Use according to any one of claims 1 and 2, in which the Ti oxide coating

Claims (28)

1. Применение материала, состоящего из основы, имеющей покрытие на основе оксида титана, на которое нанесен тонкий гидрофильный слой, формирующий, по меньшей мере, часть наружной поверхности указанного материала и не содержащий оксид титана, в качестве материала, препятствующего оседанию неорганических загрязнителей на упомянутую наружную поверхность в отсутствие потока воды.1. The use of a material consisting of a base having a coating on the basis of titanium oxide, on which a thin hydrophilic layer is applied, forming at least part of the outer surface of the specified material and not containing titanium oxide, as a material that prevents the inorganic pollutants from settling on said outer surface in the absence of water flow. 2. Применение по п.1, в котором тонкий гидрофильный слой имеет толщину меньше 10 нм, предпочтительно, между 1 и 2 нм.2. The use according to claim 1, in which a thin hydrophilic layer has a thickness of less than 10 nm, preferably between 1 and 2 nm. 3. Применение по п.1 или 2, в котором тонкий гидрофильный слой способен создать, в присутствии влаги окружающей среды и благодаря наличию подслоя из оксида титана, гидратационный слой, менее плотный, чем вода в жидком состоянии.3. The use according to claim 1 or 2, in which a thin hydrophilic layer is able to create, in the presence of environmental moisture and due to the presence of a titanium oxide sublayer, the hydration layer is less dense than water in the liquid state. 4. Применение по любому из пп.1 и 2 в котором тонкий гидрофильный слой образован на основе кремния и кислорода.4. The use according to any one of claims 1 and 2, wherein the thin hydrophilic layer is formed on the basis of silicon and oxygen. 5. Применение по п.4, в котором тонкий гидрофильный слой состоит из оксида кремния (SiO2), возможно легированного такими атомами, как алюминий (Аl) или цирконий (Zr).5. The use according to claim 4, in which the thin hydrophilic layer consists of silicon oxide (SiO 2 ), possibly doped with atoms such as aluminum (Al) or zirconium (Zr). 6. Применение по любому из пп.1 и 2, в котором покрытие на основе оксида титана состоит исключительно из оксида титана, аморфного или со структурой, по меньшей мере, частично кристаллической, в частности, в фазе анатаза или рутила.6. The use according to any one of claims 1 and 2, in which the titanium oxide-based coating consists solely of titanium oxide, amorphous or with a structure at least partially crystalline, in particular in the anatase or rutile phase. 7. Применение по любому из пп.1 и 2, в котором покрытие на основе оксида титана содержит различимые частицы оксида титана, по меньшей мере, частично кристаллические и диспергированные в связующем.7. The use according to any one of claims 1 and 2, in which the titanium oxide-based coating contains distinguishable particles of titanium oxide, at least partially crystalline and dispersed in a binder. 8. Применение по п.7, в котором тонкий гидрофильный слой составляет неотъемлемую часть покрытия на основе оксида титана и образует крайнюю поверхность.8. The use according to claim 7, in which a thin hydrophilic layer forms an integral part of the coating based on titanium oxide and forms an extreme surface. 9. Применение по любому из пп.1 и 2, в котором покрытие на основе оксида титана и тонкий гидрофильный слой образуют слой, состоящий из оксида титана и оксида кремния, причем содержание оксида титана на уровне упомянутой наружной поверхности не равно нулю, а содержание оксида кремния более высокое на уровне наружной поверхности, чем в центре слоя.9. The use according to any one of claims 1 and 2, in which the titanium oxide-based coating and a thin hydrophilic layer form a layer consisting of titanium oxide and silicon oxide, wherein the content of titanium oxide at the level of said outer surface is not zero, and the oxide content silicon is higher at the level of the outer surface than at the center of the layer. 10. Применение по любому из пп.1 и 2, в котором подслой, барьерный к ионам шелочного металла, расположен прямо под покрытием на основе оксида титана.10. The use according to any one of claims 1 and 2, in which the sublayer, barrier to silk metal ions, is located directly under the coating based on titanium oxide. 11. Применение материала, состоящего из основы, имеющей покрытие на основе оксида титана, на которое нанесен тонкий гидрофильный слой, формирующий, по меньшей мере, часть наружной поверхности упомянутого материала и не содержащий оксид титана, в качестве материала, имеющего свойство не загрязняться при установлении его с наружной стороны в зонах, защищенных от дождя, или в географических зонах с очень редкими осадками.11. The use of a material consisting of a base having a titanium oxide-based coating on which a thin hydrophilic layer is applied, forming at least part of the outer surface of said material and not containing titanium oxide, as a material having the property not to become contaminated when installed it from the outside in areas protected from rain, or in geographical areas with very rare precipitation. 12. Материал, состоящий из основы, имеющей покрытие на основе оксида титана, на которое нанесен тонкий гидрофильный слой, формирующий, по меньшей мере, часть наружной поверхности упомянутого материала и не содержащий оксид титана, отличающийся тем, что упомянутый тонкий гидрофильный слой способен создавать в присутствии влаги окружающей среды и благодаря наличию подслоя из оксида титана гидратационный слой, менее плотный, чем вода в жидком состоянии.12. A material consisting of a base having a titanium oxide-based coating on which a thin hydrophilic layer is applied, forming at least part of the outer surface of said material and not containing titanium oxide, characterized in that said thin hydrophilic layer is capable of creating the presence of environmental moisture and due to the presence of a titanium oxide sublayer, the hydration layer is less dense than water in the liquid state. 13. Материал, состоящий из основы, имеющей покрытие на основе оксида титана, на который нанесен тонкий гидрофильный слой, формирующий, по меньшей мере, часть наружной поверхности упомянутого материала и не содержащий оксид титана, отличающийся тем, что оксид титана, в основном, аморфен.13. A material consisting of a base having a coating based on titanium oxide, on which a thin hydrophilic layer is applied, forming at least part of the outer surface of the said material and not containing titanium oxide, characterized in that the titanium oxide is mainly amorphous . 14. Материал, состоящий из основы, покрытой, по меньшей мере, одним слоем, поверхность которого формирует, по меньшей мере, часть наружной поверхности упомянутого материала, причем упомянутый слой состоит из оксида титана и оксида кремня, отличающийся тем, что содержание оксида титана на уровне упомянутой наружной поверхности не равно нулю, а содержание оксида кремния более высокое на уровне упомянутой наружной поверхности, чем в центре слоя.14. A material consisting of a base coated with at least one layer, the surface of which forms at least a portion of the outer surface of said material, said layer consisting of titanium oxide and silicon oxide, characterized in that the titanium oxide content is the level of said outer surface is not equal to zero, and the content of silicon oxide is higher at the level of said outer surface than in the center of the layer. 15. Материал по п.14, в котором содержание оксида кремния растет непрерывным образом по толщине слоя от центра слоя, а именно от наиболее близкой к основе части до наружной поверхности.15. The material according to 14, in which the content of silicon oxide grows continuously in the thickness of the layer from the center of the layer, namely from the part closest to the base to the outer surface. 16. Материал по п.14 или 15, в котором толщина слоя находится в диапазоне значений от 3 до 30 нм, предпочтительно, от 5 до 20 нм.16. The material according to 14 or 15, in which the layer thickness is in the range from 3 to 30 nm, preferably from 5 to 20 nm. 17. Материал по любому из пп.14 и 15, в котором содержание оксида кремния в наиболее близкой к основе части слоя не равно нулю.17. The material according to any one of paragraphs.14 and 15, in which the content of silicon oxide in the closest to the base part of the layer is not equal to zero. 18. Материал по любому из пп.14 и 15, в котором подслой, барьерный к ионам щелочного металла, расположен прямо под слоем, состоящим из оксида титана и оксида кремния.18. The material according to any one of paragraphs.14 and 15, in which the sublayer, barrier to alkali metal ions, is located directly below the layer consisting of titanium oxide and silicon oxide. 19. Материал по п.18, в котором подслой, барьерный к ионам щелочного металла, представляет собой слой из SiOC, предпочтительно, нанесенный способом CVD прямо на основу.19. The material of claim 18, wherein the alkali metal barrier sublayer is a SiOC layer, preferably CVD deposited directly onto the substrate. 20. Материал по п.19, в котором подслой из SiOC имеет на своей поверхности выпуклости, разделенные регулярными промежутками, причем их ширина в основании, предпочтительно, равна примерно от 60 до 120 нм и высота примерно от 20 до 25 нм.20. The material according to claim 19, in which the SiOC sublayer has bulges on its surface separated by regular gaps, and their width at the base is preferably from about 60 to 120 nm and a height from about 20 to 25 nm. 21. Способ получения материала, состоящего из основы, покрытой, по меньшей мере, одним слоем, содержащим оксид титана и оксид кремния, согласно которому упомянутый слой нанесен способом химического осаждения из паровой фазы (CVD) на упомянутую основу, двигающуюся вдоль оси, причем упомянутое осаждение осуществляют с помощью сопла, расположенного поперек оси движения упомянутой основы и имеющего одну щель, причем газообразные предшественники оксида титана и оксида кремния, не реагируя между собой, вводятся одновременно через единственную щель, и, по меньшей мере, один предшественник оксида титана имеет температуру разложения, присущую ему или заданную, достаточно более низкую, чем температура разложения, по меньшей мере, одного предшественника оксида кремния для того, чтобы образовался слой, в котором содержание оксида кремния растет непрерывным образом по толщине слоя.21. A method of obtaining a material consisting of a base coated with at least one layer containing titanium oxide and silicon oxide, according to which the said layer is deposited by chemical vapor deposition (CVD) onto said base moving along an axis, said the deposition is carried out using a nozzle located across the axis of motion of the aforementioned base and having one slot, and the gaseous precursors of titanium oxide and silicon oxide, without reacting with each other, are introduced simultaneously through a single gap eh, and at least one titanium oxide precursor has a decomposition temperature inherent to it or a predetermined temperature sufficiently lower than the decomposition temperature of at least one silicon oxide precursor in order to form a layer in which the content of silicon oxide increases continuously in the thickness of the layer. 22. Способ по п.21, в котором вводят один предшественник оксида титана и один предшественник оксида кремния.22. The method of claim 21, wherein one titanium oxide precursor and one silicon oxide precursor are introduced. 23. Способ по п.22, в котором разница между соответствующими температурами разложения предшественников оксида титана и оксида кремния составляет, по меньшей мере, 50°С.23. The method according to item 22, in which the difference between the corresponding decomposition temperatures of the precursors of titanium oxide and silicon oxide is at least 50 ° C. 24. Способ по п.23, в котором предшественниками оксида кремния и оксида титана являются, соответственно, тетраэтоксисилан (ТЭОС) и тетраизопропилтитанат (ТИПТ).24. The method according to item 23, in which the precursors of silicon oxide and titanium oxide are, respectively, tetraethoxysilane (TEOS) and tetraisopropyl titanate (TIPT). 25. Способ по любому из пп.21-24, в котором молярное отношение Ti/(Ti+Si), рассчитанное исходя из мольных количеств введенных атомов Ti и Si (присутствующих в газовой фазе), находится в диапазоне значений от 0,85 до 0,96, предпочтительно, от 0,90 до 0,93.25. The method according to any one of claims 21-24, wherein the molar ratio Ti / (Ti + Si) calculated on the basis of molar amounts of introduced Ti and Si atoms (present in the gas phase) is in the range of 0.85 to 0.96, preferably from 0.90 to 0.93. 26. Материал, который может быть получен согласно способу по любому из пп.21-25.26. The material that can be obtained according to the method according to any one of paragraphs.21-25. 27. Материал, по любому из предыдущих пунктов, касающихся материала, в котором основа представляет собой стекло.27. Material, according to any one of the preceding paragraphs, concerning a material in which the base is glass. 28. Стекло или экран для визуализации, включающие, по меньшей мере, один материал по предыдущим пунктам формулы изобретения. 28. Glass or screen for visualization, comprising at least one material according to the preceding claims.
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